Java Code Examples for org.lwjgl.opengl.GL20#glGetProgramInfoLog()

The following examples show how to use org.lwjgl.opengl.GL20#glGetProgramInfoLog() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GenericShader.java    From LWJGUI with MIT License 6 votes vote down vote up 
protected static int createProgram(int vertexShaderId, int[] fragmentShaderIds, String[] attrs, int[] indices) {

		// build the shader program
		int id = GL20.glCreateProgram();
		GL20.glAttachShader(id, vertexShaderId);
		for (int fragmentShaderId : fragmentShaderIds) {
			GL20.glAttachShader(id, fragmentShaderId);
		}

		assert (attrs.length == indices.length);
		for (int i=0; i<attrs.length; i++) {
			GL20.glBindAttribLocation(id, indices[i], attrs[i]);
		}

		GL20.glLinkProgram(id);
		boolean isSuccess = GL20.glGetProgrami(id, GL20.GL_LINK_STATUS) == GL11.GL_TRUE;
		if (!isSuccess) {
			throw new RuntimeException("Shader program did not link:\n" + GL20.glGetProgramInfoLog(id, 4096));
		}

		return id;
	}
Example 2
Source File: ShaderProgram.java    From CodeChickenLib with GNU Lesser General Public License v2.1 6 votes vote down vote up 
/**
 * Binds this shader for use, Lazily allocates, links
 * and compiles all {@link ShaderObject}s.
 */
public void use() {
    if (bound) {
        throw new IllegalStateException("Already bound.");
    }
    if (programId == -1 || shaders.stream().anyMatch(ShaderObject::isDirty)) {
        shaders.forEach(ShaderObject::alloc);
        if (programId == -1) {
            programId = GL20.glCreateProgram();
            if (programId == 0) {
                throw new IllegalStateException("Allocation of ShaderProgram has failed.");
            }
            shaders.forEach(shader -> GL20.glAttachShader(programId, shader.getShaderID()));
        }
        GL20.glLinkProgram(programId);
        if (GL20.glGetProgrami(programId, GL20.GL_LINK_STATUS) == GL11.GL_FALSE) {
            throw new RuntimeException("ShaderProgram linkage failure. \n" + GL20.glGetProgramInfoLog(programId));
        }
        shaders.forEach(shader -> shader.onLink(programId));
        uniformCache.onLink();
    }
    GL20.glUseProgram(programId);
    bound = true;
}
Example 3
Source File: LWJGL20DrawContext.java    From settlers-remake with MIT License 4 votes vote down vote up 
private ShaderProgram(String name) {
	int vertexShader = -1;
	int fragmentShader;

	String vname = name;
	if(name.contains("-")) vname = name.split("-")[0];

	try {
		vertexShader = createShader(vname+".vert", GL20.GL_VERTEX_SHADER);
		fragmentShader = createShader(name+".frag", GL20.GL_FRAGMENT_SHADER);
	} catch (IOException e) {
		e.printStackTrace();

		if(vertexShader != -1) GL20.glDeleteShader(vertexShader);
		throw new Error("could not read shader files", e);
	}

	program = GL20.glCreateProgram();
	setObjectLabel(KHRDebug.GL_PROGRAM, program, name);

	GL20.glAttachShader(program, vertexShader);
	GL20.glAttachShader(program, fragmentShader);

	GL20.glBindAttribLocation(program, 0, "vertex");
	GL20.glBindAttribLocation(program, 1, "texcoord");
	GL20.glBindAttribLocation(program, 2, "color");

	GL20.glLinkProgram(program);
	GL20.glValidateProgram(program);

	GL20.glDetachShader(program, vertexShader);
	GL20.glDetachShader(program, fragmentShader);
	GL20.glDeleteShader(vertexShader);
	GL20.glDeleteShader(fragmentShader);

	String log = GL20.glGetProgramInfoLog(program);
	if(debugOutput != null && !log.isEmpty()) System.out.print("info log of " + name + "=====\n" + log + "==== end\n");

	if(GL20.glGetProgrami(program, GL20.GL_LINK_STATUS) == 0) {

		GL20.glDeleteProgram(program);
		throw new Error("Could not link " + name);
	}

	for(int i = 0;i != ufs.length;i++) {
		int uf = GL20.glGetUniformLocation(program, uniform_names[i]);
		ufs[i] = uf;
	}
	shaders.add(this);
}
Example 4
Source File: ShaderHelper.java    From OpenModsLib with MIT License 4 votes vote down vote up 
@Override
public String getProgramLogInfo(int program) {
	return GL20.glGetProgramInfoLog(program, glGetProgrami(program, GL20.GL_INFO_LOG_LENGTH));
}